Patents by Inventor Norbert Langner

Norbert Langner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8673042
    Abstract: A filter element may include an annular filter body and an internal support frame. The filter body may be supported radially on the inside of the internal support frame. At least one end disk may be disposed at the filter body and the internal support frame. The end disk may have a central disk opening and a radial seal arranged coaxially to the disk opening. The internal support frame may have a plurality of radial centering elements distributed in the circumferential direction. The frame may be projected inwardly and extends to a radial end on the inside at an inner wall of the end disk. The inner wall may enclose the disk opening.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: March 18, 2014
    Assignee: Mahle International GmbH
    Inventor: Norbert Langner
  • Publication number: 20110203240
    Abstract: A filter element may include an annular filter body and an internal support frame. The filter body may be supported radially on the inside of the internal support frame. At least one end disk may be disposed at the filter body and the internal support frame. The end disk may have a central disk opening and a radial seal arranged coaxially to the disk opening. The internal support frame may have a plurality of radial centering elements distributed in the circumferential direction. The frame may be projected inwardly and extends to a radial end on the inside at an inner wall of the end disk. The inner wall may enclose the disk opening.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 25, 2011
    Inventor: Norbert Langner
  • Patent number: 4325538
    Abstract: The subject of the invention is a method of prevention of deep infiltration of copper into a lining of a smelting furnace for direct obtaining of copper from ore concentrates and copper ores.The essence of the invention consists in that to the lower part of the hearth (2) of a furnace a cooling medium is delivered which is distributed in streams below a lining (1) of the furnace. Particular layers (1) of the hearth (2) have good heat conductivity, and in the lower part of the hearth (2) channels (4) are situated which serve for distribution of the cooling medium. The solution according to the invention prevents completely an excessive temperature increase of the furnace jacket.
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: April 20, 1982
    Assignee: Biuro Projektow Przemyslu Metali Niezelaznych "Bipromet"
    Inventors: Wlodzimierz Wozniczko, Adam Lukasik, Jozef Marczynski, Witold Kowal, Edward Plaskacewicz, Slawomir Pasierb, Norbert Langner